Lawn mower



FIG. 1 is a first perspective view of a lawn mower showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a first lateral view thereof; and,

FIG. 7 is a second lateral view thereof. 

CLAIM I claim the ornamental design for “lawn mower ,” as shown and described. 